---
title: "lansinoh pump parts — Niche Verdict: Skip it (42/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/baby-products/lansinoh-pump-parts"
last_updated: "2026-07-13T23:09:47.021Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 95% of clicks) — lansinoh pump parts doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 95% of clicks) — lansinoh pump parts doesn't clear our bar today."
  "og:title": "lansinoh pump parts — Niche Verdict: Skip it (42/100) | Amazon United States - Flapen"
---

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# **lansinoh pump parts**

**Skip it**

Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.

Market size 37Growth 21Conversion 72Competition 24Returns 41Price range 82Avg price 92Brand share 14Review moat 45Quality gap 58

**Avg price**

**Great****$21.97**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$7.01–$55.20**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Good****6.7%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****1,993.29**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****4.1%**

return rate — above 6% kills the launch gate

**Market size**

**Okay****$181K**

$181K/yr · 124K searches

**Competition**

**Bad****72%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-8.2%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**7 **—flat

**Sellers**

**32**

**Top-5 brand share**

**95%**

**Open market**

**3%**

- Lansinoh57% - IVARONAL17% - NENESUPPLY12% - BDICOVE5% - Gotocut3% - beaina3% - Open — no brand owns it (1 brand, 3%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$18K20%$36K30%$54K40%$72K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Lansinoh Breast Pump Spare Parts Bundle Includes Four Duckbill Valves and Other Replacement Parts for Lansinoh Double Electric Breast Pumps](https://m.media-amazon.com/images/I/31lSdRSFXhL.jpg)**Lansinoh Breast Pump Spare Parts Bundle Includes Four Duckbill Valves and Other Replacement Parts for Lansinoh Double Electric Breast Pumps**Lansinoh**$16.03**4.7★2,231 rev](https://www.amazon.com/dp/B08LY7QYSH) [2![Lansinoh Extra Pumping Set for NaturalWave and Signature Pro Breast Pumps](https://m.media-amazon.com/images/I/3176z1CUC6L.jpg)**Lansinoh Extra Pumping Set for NaturalWave and Signature Pro Breast Pumps**Lansinoh**$30.79**4.8★3,132 rev](https://www.amazon.com/dp/B00HPQT2RO) [3![6PC Duckbill Valves Compatible with Lansinoh Pumps Parts and Hand Pump Replacement to Lansinoh Signature Pro Smartpump Manual Pump for lansinoh Breast Pumps Duckbill Valves Parts](https://m.media-amazon.com/images/I/310H++2t36L.jpg)**6PC Duckbill Valves Compatible with Lansinoh Pumps Parts and Hand Pump Replacement to Lansinoh Signature Pro Smartpump Manual Pump for lansinoh Breast Pumps Duckbill Valves Parts**IVARONAL**$10.03**4.4★273 rev](https://www.amazon.com/dp/B0DN15CGM8) [4![Nenesupply 4 pc Duckbill Valves Compatible with Lansinoh Pumps Parts and Breast Pumps Replacement to Lansinoh Valves. Use with Signature Pro Smartpump Manual Pump](https://m.media-amazon.com/images/I/31bim-4zlPL.jpg)**Nenesupply 4 pc Duckbill Valves Compatible with Lansinoh Pumps Parts and Breast Pumps Replacement to Lansinoh Valves. Use with Signature Pro Smartpump Manual Pump**NENESUPPLY**$9.08**4.8★2,985 rev](https://www.amazon.com/dp/B084RJ991P) [5![Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count](https://m.media-amazon.com/images/I/41q5hde2JaL.jpg)**Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count**Lansinoh**$7.75**4.6★3,697 rev](https://www.amazon.com/dp/B093G3TRSW)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Lansinoh Discreet Duo Flow Extra Pumping Set Breast Pump Replacement Parts Kit with Milk Collectors 24mm Flanges Bottles & Valves Wearable Pump Accessories BPA/BPS Free](https://m.media-amazon.com/images/I/41thTSnrHrL.jpg)**Lansinoh Discreet Duo Flow Extra Pumping Set Breast Pump Replacement Parts Kit with Milk Collectors 24mm Flanges Bottles & Valves Wearable Pump Accessories BPA/BPS Free**Lansinoh**$55.20**23 rev3mo ago](https://www.amazon.com/dp/B0GWW6PCHJ) [![Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual](https://m.media-amazon.com/images/I/310PBlgIqEL.jpg)**Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual**weirical**$17.74**21 rev10mo ago](https://www.amazon.com/dp/B0FPQK8LDQ) [![Lansinoh DiscreetDuo Extra Pumping Set | Hands-Free Wearable Breast Pump Accessories | Portable Replacement Kit with Milk Collection Cups Flanges Valves & Bottles (Pump Not Included)](https://m.media-amazon.com/images/I/3199A+bGNDL.jpg)**Lansinoh DiscreetDuo Extra Pumping Set | Hands-Free Wearable Breast Pump Accessories | Portable Replacement Kit with Milk Collection Cups Flanges Valves & Bottles (Pump Not Included)**Lansinoh**$40.37**17 rev1y ago](https://www.amazon.com/dp/B0FH5MDSWJ) [![Wearable Breast Pump Parts Include Duckbill Valve Silicone Diaphragm 24mm Flange Milk Collector Cup Compatible with Lansinoh Discreet Duo Mammanuwa Nuliie S32 Breast Pump 2 Sets](https://m.media-amazon.com/images/I/41HCMXEiZUL.jpg)**Wearable Breast Pump Parts Include Duckbill Valve Silicone Diaphragm 24mm Flange Milk Collector Cup Compatible with Lansinoh Discreet Duo Mammanuwa Nuliie S32 Breast Pump 2 Sets**beaina**$33.71**52 rev1y ago](https://www.amazon.com/dp/B0FB46SW9Y) [![Nenesupply 6 pc Compatible Duckbill Valves for Lansinoh Signature Pro Smartpump and Manul Breast Pumps. Not Original Lansinoh Pump Parts. (6pc)](https://m.media-amazon.com/images/I/31uxm8Bum4L.jpg)**Nenesupply 6 pc Compatible Duckbill Valves for Lansinoh Signature Pro Smartpump and Manul Breast Pumps. Not Original Lansinoh Pump Parts. (6pc)**NENESUPPLY**$10.07**2,985 rev1y ago](https://www.amazon.com/dp/B0DZ2CJZWC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Lansinoh Discreet Duo Flow Extra Pumping Set Breast Pump Replacement Parts Kit with Milk Collectors 24mm Flanges Bottles & Valves Wearable Pump Accessories BPA/BPS Free](https://m.media-amazon.com/images/I/41thTSnrHrL.jpg)**Lansinoh Discreet Duo Flow Extra Pumping Set Breast Pump Replacement Parts Kit with Milk Collectors 24mm Flanges Bottles & Valves Wearable Pump Accessories BPA/BPS Free**Lansinoh**$55.20**4.9★**▲ 313%**](https://www.amazon.com/dp/B0GWW6PCHJ) [![Lansinoh DiscreetDuo Extra Pumping Set | Hands-Free Wearable Breast Pump Accessories | Portable Replacement Kit with Milk Collection Cups Flanges Valves & Bottles (Pump Not Included)](https://m.media-amazon.com/images/I/3199A+bGNDL.jpg)**Lansinoh DiscreetDuo Extra Pumping Set | Hands-Free Wearable Breast Pump Accessories | Portable Replacement Kit with Milk Collection Cups Flanges Valves & Bottles (Pump Not Included)**Lansinoh**$40.37**4.0★**▲ 212%**](https://www.amazon.com/dp/B0FH5MDSWJ) [![Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual](https://m.media-amazon.com/images/I/310PBlgIqEL.jpg)**Weirical Manual Breast Pumps Parts Silicone Diaphragm&Duckbill Valve Compatible with Lansinoh Breast Pumps Replace Lansinoh Pump Parts/Accessories Use with Manual**weirical**$17.74**4.0★**▲ 56%**](https://www.amazon.com/dp/B0FPQK8LDQ) [![Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count](https://m.media-amazon.com/images/I/41q5hde2JaL.jpg)**Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count**Lansinoh**$7.75**4.6★**▲ 38%**](https://www.amazon.com/dp/B093G3TRSW) [![2PC Duckbill Valves Compatible with Lansinoh Pumps Parts and Hand Pump Replacement to Lansinoh Signature Pro Smartpump Manual Pump for lansinoh Breast Pumps Duckbill Valves Parts](https://m.media-amazon.com/images/I/31sBAF3aSnL.jpg)**2PC Duckbill Valves Compatible with Lansinoh Pumps Parts and Hand Pump Replacement to Lansinoh Signature Pro Smartpump Manual Pump for lansinoh Breast Pumps Duckbill Valves Parts**IVARONAL**$7.01**4.4★**▲ 35%**](https://www.amazon.com/dp/B0DN148M8G)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -8.2% search growth over the last 90 days.

7K5KSpike '24Prime Day '25 seasonSepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 1.9×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**17%

*“The fit was comfortable enough for regular use”*

**Ease Of Use**12%

*“Convenient Pumping Set for Daily Use”*

**Quality-Overall**12%

*“Good quality”*

**Ease Of Cleaning**11%

*“The pump is easy to take apart and clean”*

**Advertised Vs Actual Product**6%

*“As described”*

**Comfort-Overall**5%

*“comfortable too”*

**Value For Money**5%

*“Great product for great price”*

**Durability**4%

*“if it ever breaks i will buy this exact same one cause i love it”*

**Compatibility-Overall**3%

*“Ive had zero issues with the compatibility”*

**Leak-Proof**3%

*“doesnt leak”*

### **What buyers complain about **

**Functionality-Overall**17%

*“The plastic cups dont work properly”*

**Leak-Proof**13%

*“Leaking seal”*

**Size-Overall**12%

*“Not true to size”*

**Noise Level**7%

*“SUPER noisy”*

**Value For Money**6%

*“Expensive for what it is”*

**Quality-Overall**5%

*“Quality of the duckbills is just bad”*

**Compatibility-Overall**4%

*“Does not match up to the pumps”*

**Ease Of Cleaning**4%

*“Cleaning pump parts is the worst”*

**Defective Material/Parts**4%

*“Faulty parts”*

**Durability**4%

*“1 month of use”*

### **Top return reasons **

**Size-Overall**35%

**Functionality-Overall**21%

**Defective Material/Parts**9%

**Advertised Vs Actual Product**8%

**Compatibility-Overall**4%

**Value For Money**4%

**Leak-Proof**3%

**Breastfeeding Friendly**2%

**Handle Quality**2%

**Comfort-Overall**2%